Early-stage response in anaerobic bioreactors due to high sulfate loads: hydrogen sulfide yield and other organic volatile sulfur compounds as a sign of microbial community modifications

Abstract: In this work, the early-stage response of six lab-scale biogas bioreactors fed with different amounts of a sulfate-rich organic agro-industrial effluent was investigated. Biogas characterization, gas chromatography selective for sulfur compounds and high-throughput sequencing of 16S rRNA...

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Autores principales: Olivera, Camila, Tondo, María Laura, Girardi, Valentina, Fattobene, Lucía, Herrero, María Sol, Pérez, Leonardo Martín, Salvatierra, Lucas Matías
Formato: Artículo
Lenguaje:Inglés
Publicado: Elsevier 2022
Materias:
BIOGAS
SULFATOS
SULFURO
COMPUESTOS VOLÁTILES DE AZUFRE
COMUNIDAD MICROBIANA
Acceso en línea:https://repositorio.uca.edu.ar/handle/123456789/14028
Aporte de:
Repositorio Institucional de la Universidad Católica Argentina (UCA) de Universidad Católica Argentina
id I33-R139-123456789-14028
record_format dspace
institution Universidad Católica Argentina
institution_str I-33
repository_str R-139
collection Repositorio Institucional de la Universidad Católica Argentina (UCA)
language Inglés
topic BIOGAS
SULFATOS
SULFURO
COMPUESTOS VOLÁTILES DE AZUFRE
COMUNIDAD MICROBIANA
spellingShingle BIOGAS
SULFATOS
SULFURO
COMPUESTOS VOLÁTILES DE AZUFRE
COMUNIDAD MICROBIANA
Olivera, Camila
Tondo, María Laura
Girardi, Valentina
Fattobene, Lucía
Herrero, María Sol
Pérez, Leonardo Martín
Salvatierra, Lucas Matías
Early-stage response in anaerobic bioreactors due to high sulfate loads: hydrogen sulfide yield and other organic volatile sulfur compounds as a sign of microbial community modifications
topic_facet BIOGAS
SULFATOS
SULFURO
COMPUESTOS VOLÁTILES DE AZUFRE
COMUNIDAD MICROBIANA
description Abstract: In this work, the early-stage response of six lab-scale biogas bioreactors fed with different amounts of a sulfate-rich organic agro-industrial effluent was investigated. Biogas characterization, gas chromatography selective for sulfur compounds and high-throughput sequencing of 16S rRNA gene were performed. Hydrogen sulfide (H2S) yield went from transient to steady state in ∼ 2 weeks for all the studied conditions. In addition, volatile sulfur compounds (VSCs), like methanethiol (MeSH) and dimethyl sulfide (DMS), were generated at high sulfate loads. Changes were evidenced in the microbial community structures, with a higher abundance of genes involved in the dissimilatory sulfate-reduction pathway in high loaded sulfate bioreactors, as determined by PICRUSt analysis. Principal component analysis (PCA) and correlation analyses evidenced strong relationships between H2S, VSCs and the microbial community. Sulfate-reducing bacteria (SRB) like Desulfocarbo, Desulfocella and Desulfobacteraceae might be possibly linked with methylation processes of H2S.
format Artículo
author Olivera, Camila
Tondo, María Laura
Girardi, Valentina
Fattobene, Lucía
Herrero, María Sol
Pérez, Leonardo Martín
Salvatierra, Lucas Matías
author_facet Olivera, Camila
Tondo, María Laura
Girardi, Valentina
Fattobene, Lucía
Herrero, María Sol
Pérez, Leonardo Martín
Salvatierra, Lucas Matías
author_sort Olivera, Camila
title Early-stage response in anaerobic bioreactors due to high sulfate loads: hydrogen sulfide yield and other organic volatile sulfur compounds as a sign of microbial community modifications
title_short Early-stage response in anaerobic bioreactors due to high sulfate loads: hydrogen sulfide yield and other organic volatile sulfur compounds as a sign of microbial community modifications
title_full Early-stage response in anaerobic bioreactors due to high sulfate loads: hydrogen sulfide yield and other organic volatile sulfur compounds as a sign of microbial community modifications
title_fullStr Early-stage response in anaerobic bioreactors due to high sulfate loads: hydrogen sulfide yield and other organic volatile sulfur compounds as a sign of microbial community modifications
title_full_unstemmed Early-stage response in anaerobic bioreactors due to high sulfate loads: hydrogen sulfide yield and other organic volatile sulfur compounds as a sign of microbial community modifications
title_sort early-stage response in anaerobic bioreactors due to high sulfate loads: hydrogen sulfide yield and other organic volatile sulfur compounds as a sign of microbial community modifications
publisher Elsevier
publishDate 2022
url https://repositorio.uca.edu.ar/handle/123456789/14028
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